How do you solve #3/4(a)=9#?

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Answer 1 · 2018-04-28T21:00:01

#a = 12#

#3/4 (a) = 9#

Multiply both sides by #4/3#:

#3/4 * 4/3 (a) = 9 * 4/3#

Simplify:
#cancel(3/4 * 4/3) (a) = cancel(9)3 * 4/(cancel(3)1)#

Rewrite neatly:
#a = 3 * 4#

Multiply:
#a = 12#

Hope this helps!